12811527

素因数分解:

$3^4\times {\mathrm{277}}^1\times {\mathrm{571}}^1$

素因数の和:860

約数の個数: 20

約数和(自身を含む): 19240936

約数和(自身を除く): 6429409

約数列:

[1, 3, 9, 27, 81, 277, 571, 831, 1713, 2493, 5139, 7479, 15417, 22437, 46251, 158167, 474501, 1423503, 4270509, 12811527]

約数ペア:

[(1, 12811527), (3, 4270509), (9, 1423503), (27, 474501), (81, 158167), (277, 46251), (571, 22437), (831, 15417), (1713, 7479), (2493, 5139)]